IEC 61156-5 Edition 2.1-2012
数字通信用对绞或星绞多芯对称电缆.第5部分:传输特性低于1000 MHz的对称对绞或星绞电缆.水平层布线.分规范
Multicore and symmetrical pair/quad cables for digital communications - Part 5: Symmetrical pair/quad cables with transmission characteristics up to 1000 MHz - Horizontal floor wiring - Sectional specification